1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/libcrypto/cast/cast.h b/src/lib/libcrypto/cast/cast.h
index e24e133099..b28e4e4f3b 100644
--- a/src/lib/libcrypto/cast/cast.h
+++ b/src/lib/libcrypto/cast/cast.h
@@ -63,7 +63,7 @@
 extern "C" {
 #endif
 
-#ifdef NO_CAST
+#ifdef OPENSSL_NO_CAST
 #error CAST is disabled.
 #endif